diff --git a/documentation/ref-manual/ref-variables.xml b/documentation/ref-manual/ref-variables.xml
index 39e173363a..3fe97c6e94 100644
--- a/documentation/ref-manual/ref-variables.xml
+++ b/documentation/ref-manual/ref-variables.xml
@@ -1221,9 +1221,9 @@ meta/conf/machine/include/<architecture>/arch-<architecture>.inc
                 <para>
                     Specifies the architecture of the build system
                     (e.g. <filename>i686</filename>).
-                    The <filename>uname</filename> command, as reported by the
-                    machine name, sets the value of
-                    <filename>BUILD_ARCH</filename>.
+                    The OpenEmbedded build system sets the value of
+                    <filename>BUILD_ARCH</filename> from the machine name
+                    reported by the <filename>uname</filename> command.
                 </para>
             </glossdef>
         </glossentry>